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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 21 — Oct. 13, 2008
  • pp: 16305–16313

Plasmonic mediated interactions between waveguides and nanostructured metal surfaces

P. A. Porta and B. Corbett  »View Author Affiliations

Optics Express, Vol. 16, Issue 21, pp. 16305-16313 (2008)

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We present the polarization resolved, angular dependent, optical reflectance properties for single TE mode optical waveguides in contact with a nanostructured gold surface. A substantial angle dependent resonant decrease in the TE polarized surface reflectivity is measured which cannot be explained by a simple waveguide coupling due to surface roughness. Rather we show that the resonance is due to the excitation of a coupled waveguide-plasmonic surface mode created by the interaction between the metal nanostructure and the waveguide. A model based on coupled mode theory is introduced in order to explain the experimental data.

© 2008 Optical Society of America

OCIS Codes
(250.5460) Optoelectronics : Polymer waveguides
(250.5403) Optoelectronics : Plasmonics
(310.6628) Thin films : Subwavelength structures, nanostructures

ToC Category:
Optics at Surfaces

Original Manuscript: May 23, 2008
Revised Manuscript: July 3, 2008
Manuscript Accepted: July 4, 2008
Published: September 29, 2008

P. A. Porta and B. Corbett, "Plasmonic mediated interactions between waveguides and nanostructured metal surfaces," Opt. Express 16, 16305-16313 (2008)

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